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What is the most ridiculous pessimization you've seen? [closed]
...m launch.
Loading the same DLL hundreds or thousands of times
Wasting mega bytes of memory by keeping full paths to files needlessly
Not organizing data structures so they take up way more memory than they need
Sizing all strings that store file names or paths to MAX_PATH
Gratuitous polling for thin...
Twitter image encoding challenge [closed]
... Sam Hocevar's solution -- kind of a large number with a radix that varies by position.
Then it converts that into a base of whatever the size of the character set available is. By default, it makes full use of the assigned unicode character set, minus the less than, greater than, ampersand, contr...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...iki/Jikes_RVM
Allocating memory, sun.misc.Unsafe.allocateMemory eg:- DirectByteBuffer constructor internally calls it when ByteBuffer.allocateDirect is invoked
Tracing the call stack and replaying with values instantiated by sun.misc.Unsafe, useful for instrumentation
sun.misc.Unsafe.arrayBaseOffset...
What does the X-SourceFiles header do?
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The header is understood by certain debugging modules in IIS / IIS Express. It contains the base64-encoded path to the source file on disk and is used to link a page's generated output back to that source file. It's only generated for localhost req...
Git asks for username every time I push
...
Edit (by @dk14 as suggested by moderators and comments)
WARNING: If you use credential.helper store from the answer, your password is going to be stored completely unencrypted ("as is") at ~/.git-credentials. Please consult the co...
Android - Emulator in landscape mode, screen does not rotate
...ayout file under the corresponding res/layout folder. I have verified this by running in a nexus device where it works as expected.
– Rajaraman
Mar 9 '14 at 17:53
...
How do I break a string over multiple lines?
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Using yaml folded style, each line break is replaced by a space. The indention in each line will be ignored. A line break will be inserted at the end.
Key: >
This is a very long sentence
that spans several lines in the YAML
but which will be rendered as a string
wit...
Difference between var_dump,var_export & print_r
... types of elements in your array, but can be misleading otherwise. print_r by default prints the result, but allows returning as string instead by using the optional $return parameter.
Array (
[0] =>
[1] =>
[2] => 42
[3] => Array ([0] => 42)
)
var_export prints vali...
How to create a .gitignore file
...ever, I can't find it in my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?
... open source projects, major branches that are not accepted into the trunk by the project stakeholders can become the bases for forks -- e.g., totally separate projects that share a common origin with other source code.
The branch and tag subtrees are distinguished from the trunk in the following w...